EP1434405A2 - Système, procédé et produit logiciel pour contrôler et observer une passerelle résidentielle - Google Patents

Système, procédé et produit logiciel pour contrôler et observer une passerelle résidentielle Download PDF

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Publication number
EP1434405A2
EP1434405A2 EP20030025693 EP03025693A EP1434405A2 EP 1434405 A2 EP1434405 A2 EP 1434405A2 EP 20030025693 EP20030025693 EP 20030025693 EP 03025693 A EP03025693 A EP 03025693A EP 1434405 A2 EP1434405 A2 EP 1434405A2
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European Patent Office
Prior art keywords
cpe
data
data stream
interface
processor
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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EP20030025693
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German (de)
English (en)
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EP1434405A3 (fr
Inventor
Charles Edward Anderson
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Broadcom Corp
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Broadcom Corp
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Publication date
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Publication of EP1434405A2 publication Critical patent/EP1434405A2/fr
Publication of EP1434405A3 publication Critical patent/EP1434405A3/fr
Withdrawn legal-status Critical Current

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    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/1066—Session management
    • H04L65/1083—In-session procedures
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2801—Broadband local area networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L12/00—Data switching networks
    • H04L12/28—Data switching networks characterised by path configuration, e.g. LAN [Local Area Networks] or WAN [Wide Area Networks]
    • H04L12/2854—Wide area networks, e.g. public data networks
    • H—ELECTRICITY
    • H04—ELECTRIC COMMUNICATION TECHNIQUE
    • H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
    • H04L65/00—Network arrangements, protocols or services for supporting real-time applications in data packet communication
    • H04L65/10—Architectures or entities
    • H04L65/102—Gateways
    • H04L65/1023—Media gateways
    • H04L65/1026—Media gateways at the edge

Definitions

  • the present invention is generally related to the monitoring and control of electronic information in a communication system. More particularly, the present invention is related to the monitoring and control of electronic information, such as voice, video, and data, that is provided from a wide area network (WAN) to one or more customer premises equipment (CPE) devices via a residential gateway.
  • WAN wide area network
  • CPE customer premises equipment
  • the term "residential gateway” refers to an interface between a wide area network (WAN) and one or more local end user devices, also referred to as customer premises equipment (CPE) devices.
  • Residential gateways operate as functional bridges between the external network and the CPE devices, receiving application-agnostic data from the external network, separating the data into various types, optionally reformatting it for a particular application, and distributing the data via one or more in-premises networks to one or more CPE devices.
  • Each CPE device may consume the data in its raw format or perform additional transformations on the data prior to use.
  • Data that is distributed by the gateway may include, but is not limited to, voice, video, and/or computer data.
  • Conventional residential gateway devices provide end users with only limited data monitoring and control functions.
  • conventional residential gateways permit some filtering of computer data for security and network management purposes, such as providing firewall and DHCP (Dynamic Host Configuration Protocol) services.
  • DHCP Dynamic Host Configuration Protocol
  • These functions ofthe residential gateway are generally configured by the end user via a Web interface, which provides some visibility into the traditional computer data functions of the gateway device, as well as SNMP (Simple Network Management Protocol) network monitoring and control functions.
  • SNMP Simple Network Management Protocol
  • Some conventional residential gateways include interfaces that convert voice and video data received from the WAN from an Internet Protocol (IP) format into a native format used by a CPE device, such as a telephone or television. Control of these interfaces may be provided via provisioning services from the network or from craft interfaces into the residential gateway, but in general this control is limited to "on/off" type functionality, such as mapping IP addresses to telephone numbers, or providing a video cutoff relay.
  • IP Internet Protocol
  • the desired system, method and computer program product should allow an end user to monitor, mix, and control data of various types, including voice, video and/or computer data, in real time.
  • Embodiments of the present invention take advantage of the extended data display and manipulation capabilities of a new class of residential gateway devices, thereby permitting data types to be mixed, monitored, and controlled via one or more local (CPE-side) interfaces provided by a residential gateway.
  • CPE-side local
  • a residential gateway in accordance with embodiments of the present invention includes a network interface (such as, but not limited to, a cable modem network or an xDSL network interface), a first customer premises equipment (CPE) interface, a second customer premises equipment (CPE) interface, and a processor coupled to the network interface, the first CPE interface and the second CPE interface.
  • the processor is adapted to receive data from a network via the network interface, to generate from the data a first data stream of a first data type and a second data stream of a second data type, to provide the first data stream to a first customer premises equipment (CPE) device via the first CPE interface, and to provide the second data stream to a second customer premises equipment (CPE) device via the second CPE interface.
  • the second data type is different from the first data type.
  • the first data type may comprise video signals and the second data type may comprise computer data, or vice versa.
  • the first data type may comprise computer data or video signals and the second data type may comprise voice information.
  • the processor is also adapted to receive a first command from the first CPE device via the first CPE interface and, in response to receiving the first command, to provide a copy of the second data stream to the first CPE device via the first CPE interface by multiplexing a copy of the second data stream with the first data stream.
  • the processor may be further adapted to convert the copy of the second data stream to the first data type prior to multiplexing the copy of the second data stream with the first data stream.
  • the processor is further adapted to receive a second command from the first CPE device via the first CPE interface and, in response to receiving the second command, to cease providing the second data stream to the second CPE device via the second CPE interface.
  • the processor in response to receiving the second command, may be further adapted to provide a data stream to the second CPE device via the second CPE interface other than the second data stream.
  • the above-described network monitoring and control functions may be implemented in software that is executed by the processor, in hardware, or in a combination of software and hardware.
  • Embodiments of the present invention are advantageous in that they enable real-time remote monitoring of data present on one or more CPE interfaces of a residential gateway, even where the data being monitored is of a different type than that normally received by the monitoring CPE device.
  • embodiments of the present invention enable multiplexing of data from disparate CPE interfaces of a residential gateway for delivery to a single user-friendly interface.
  • Embodiments of the present invention are also advantageous in that they permit real-time, discriminating, remote control of the data content allowed on multiple CPE interfaces of a residential gateway, including the ability to turn on/off data content, re-route data content, or filter data content based on user-defined parameters.
  • Embodiments of the present invention are further advantageous in that they may be implemented as an overlay to application software within existing multi-protocol residential gateway devices and customer premises equipment, thereby extending the functionality of these devices.
  • FIGS. 1A and 1B each depict a high-level block diagram of a system for residential gateway monitoring and control in accordance with an embodiment of the present invention.
  • FIGS. 2A and 2B each depict an exemplary residential gateway in accordance with an embodiment of the present invention.
  • FIG. 3 depicts an exemplary customer premises equipment (CPE) device in accordance with an embodiment of the present invention.
  • CPE customer premises equipment
  • FIGS. 4, 5, and 6 each depict an exemplary system for residential gateway monitoring and control in accordance with an embodiment of the present invention.
  • FIG. 7 depicts a flowchart of a method for residential gateway monitoring and control in accordance with an embodiment of the present invention.
  • FIG. 1A depicts a high-level block diagram of an exemplary system for residential gateway monitoring and control 100 in accordance with an embodiment of the present invention.
  • exemplary system 100A includes a residential gateway 106 that is communicatively coupled to a wide area network (WAN) 104.
  • WAN 104 may comprise any type of data network or combination of data networks including, but not limited to, circuit switched and/or packet switched networks.
  • WAN 104 may comprise a cable modem network or an xDSL network.
  • WAN 104 may comprise a variety of transmission mediums including, but not limited to, twisted pair, coaxial cable, fiber-optic and/or wireless transmission mediums.
  • WAN 104 includes the Internet.
  • residential gateway 106 is communicatively coupled to a plurality of customer premises equipment (CPE) devices 108a-108n via a plurality of corresponding CPE interfaces 112a-112n.
  • CPE customer premises equipment
  • Residential gateway 106 operates as an interface between WAN 104 and CPE devices 108a-108n, which may be also referred to herein as end user devices 108a-108n.
  • residential gateway 106 receives application-agnostic data from WAN 104, separates the data into various data types, optionally reformats it for a particular application, and selectively distributes it to one or more of CPE devices 108a-108n via corresponding CPE interfaces 112a-112n.
  • CPE devices 108a-108n may include one or more computers, televisions, set-top boxes, VOIP (Voice Over Internet Protocol) phones, POTS (Plain Old Telephone System) phones, or other devices capable of receiving and processing data from WAN 104 via residential gateway 106.
  • CPE devices 108a-108n may consume the data in its raw format or perform additional transformations on the data prior to use.
  • Data types received and distributed by residential gateway 106 to CPE devices 108a-108n may include, but are not limited to, video, voice and computer data.
  • exemplary system 100 additionally provides a user interface 110 to residential gateway 106 that enables an end user to control, mix and/or monitor, in real time, data streams processed by residential gateway 106 for distribution to one or more of CPE devices 108a-108n.
  • User interface 110 may be implemented as part of one or more of CPE devices 108a-108n or as a stand-alone device.
  • user interface 110 comprises part of CPE device 108a
  • user interface 110 comprises a stand alone device with a dedicated interface 114 to residential gateway 106.
  • user interface 110 is used by an end user to transmit commands to residential gateway 106.
  • gateway monitoring and control software within residential gateway 106 causes residential gateway 106 to perform the monitoring and control functions of the present invention.
  • FIG. 2A depicts a block diagram of an exemplary residential gateway 106.
  • residential gateway 106 operates as an interface between an external WAN 104 and one or more CPE devices 108a-108n.
  • residential gateway 106 facilitates the transfer of data streams of various types, such as video, voice and computer data, between WAN 104 and CPE devices 108a-108n.
  • residential gateway 106 includes a network interface 206, a plurality of CPE interfaces 202a-202n, at least one processor 208, and a memory 210, each of which are operatively and communicatively connected via a system bus 204.
  • each of the components of residential gateway 106 comprise part of a single integrated circuit (IC), except for memory 210, which resides external to the IC and is coupled to system bus 204 by a corresponding interface, such as an expansion bus.
  • IC integrated circuit
  • this example is not intended to be limiting, and various configurations of the components of exemplary residential gateway 106 will be apparent to persons skilled in the relevant art(s).
  • Network interface 206 comprises the interface between residential gateway 106 and WAN 104.
  • network interface 206 implements the communication protocols necessary to receive data from WAN 104 for further processing by residential gateway 106.
  • network interface 206 may include a DOCSIS MAC and PHY for receiving and processing data in accordance with standard DOCSIS and/or EuroDOCSIS protocols.
  • network interface 206 may include an ADSL analog front end (AFE) and transceiver for receiving and processing data in accordance with standard ADSL protocols.
  • AFE ADSL analog front end
  • network interface 206 may include any interface for receiving data from WAN 104, including, without limitation, a V.90 or other V.xx analog modem interface, an HDSL interface, an RADSL interface, an ISDN interface, or a 10/100 Ethernet interface.
  • CPE interfaces 202a-202n each operate as an interface between residential gateway 106 and one or more CPE devices 108a-108n.
  • CPE interfaces 202a-202n implement the necessary communication protocols for transmitting data streams comprising video, voice or computer data from residential gateway 106 to one or more of CPE devices 108a-108n.
  • CPE interfaces 202a-202n may include a Home Phone Network Alliance (HPNA) interface, an Ethernet interface, and/or a Universal Serial Bus (USB) interface for communication with or more CPE devices over an HPNA network, an Ethernet, and/or a USB, respectively.
  • HPNA Home Phone Network Alliance
  • USB Universal Serial Bus
  • CPE interfaces 202a-202n may also include a POTS interface for connecting to one or more POTS phones, or a video interface for providing video signals to a television, VCR or the like.
  • CPE interfaces 202a-202n may comprise any interface suitable for communicating with one or more CPE devices 108a-108n, as will be appreciated by persons skilled in the relevant art(s).
  • Exemplary residential gateway 106 includes a processor 208 (although the present invention is also applicable to multi-processor residential gateways) that operates under the control of software stored in memory 210.
  • memory 210 includes a non-volatile memory, such as a flash memory, for storing program instructions that control the operation of processor 208, as well as a volatile memory, such as a high-speed SDRAM, that comprises the execution memory space for processor 208 and provides a buffer for the temporary storage of data.
  • This volatile memory device may also be used to store program instructions that control the operation of processor 208.
  • Memory 210, or a computer useable medium that carries software instructions for installation in memory 210 comprises a "computer program product," as that term is used elsewhere herein.
  • memory 210 stores gateway monitoring and control software 212 that is executed by processor 208 and that enables processor 208 to be responsive to commands received from an external user interface 110, which was initially described in reference to FIGS. 1A and 1B, above.
  • Such commands may be received by residential gateway 106 over one or more of CPE interfaces 202a-202n, or over a dedicated interface (not shown in FIG. 2A) that is communicatively coupled to system bus 204.
  • gateway monitoring and control software 212 causes processor 208 to mix, monitor, and/or control one or more of the data streams distributed by residential gateway 106 via CPE interfaces 202a-202n.
  • gateway monitoring and control functions of the present invention as discussed herein are implemented by gateway monitoring and control software 212 operating in conjunction with gateway monitoring and control logic 214.
  • gateway monitoring and control logic 214 comprises dedicated hardware for performing complex data stream transformation and mixing functions necessary to carry out the monitoring and control features of the present invention.
  • the present invention may be implemented in a BCM3360 High-Performance Advanced PHY Broadband Gateway Cable Modem, manufactured by Broadcom Corporation of Irvine, California.
  • the present invention may be implemented in a BCM6345 Single-Chip ADSL CPE Modem, also manufactured by Broadcom Corporation of Irvine, California.
  • these examples are not limiting.
  • the present invention may be implemented a wide variety of residential gateways.
  • FIG. 3 is a high-level block diagram of a computer system 300, which is only one example of a CPE device 108a-108n that may be implemented in a system in accordance with the present invention.
  • computer system 300 includes a processor 302 for executing software routines. Although only a single processor is shown for the sake of clarity, computer system 300 may also comprise a multi-processor system.
  • Processor 302 is connected to a communication infrastructure 304 for communication with other components of computer system 300.
  • Communication infrastructure 304 may comprise, for example, a communications bus, cross-bar, or network.
  • Computer system 300 further includes a main memory 306, such as a random access memory (RAM), and a secondary memory 308.
  • Secondary memory 308 may include, for example, a hard disk drive 310 and/or a removable storage drive 312, which may comprise a floppy disk drive, a magnetic tape drive, an optical disk drive, or the like.
  • Removable storage drive 312 reads from and/or writes to a removable storage unit 316 in a well known manner.
  • Removable storage unit 316 may comprise a floppy disk, magnetic tape, optical disk, or the like, which is read by and written to by removable storage drive 312.
  • removable storage unit 316 includes a computer usable storage medium having stored therein computer software and/or data.
  • secondary memory 308 may include other similar means for allowing computer programs or other instructions to be loaded into computer system 300.
  • Such means can include, for example, a removable storage unit 318 and an interface 314.
  • a removable storage unit 318 and interface 314 include a program cartridge and cartridge interface (such as that found in video game console devices), a removable memory chip (such as an EPROM, or PROM) and associated socket, and other removable storage units 318 and interfaces 314 which allow software and data to be transferred from removable storage unit 318 to computer system 300.
  • Computer system 300 further includes a display interface 324 that forwards graphics, text, and other data from the communication infrastructure 304 or from a frame buffer (not shown) for display to a user on a display unit 326.
  • Computer system 300 also includes a communication interface 320.
  • Communication interface 320 allows software and data to be transferred between computer system 300 and external devices via a communication path 322.
  • communication interface 300 permits data to be communicated between computer system 300 and a residential gateway 106 over communication path 322.
  • Communication interface 320 may comprise an HPNA interface for communicating over an HPNA network, an Ethernet interface for communicating over an Ethernet, or a USB interface for communicating over a USB.
  • HPNA highNA
  • Ethernet interface for communicating over an Ethernet
  • USB interface for communicating over a USB.
  • any communication interface 320 and any suitable communication path 322 may be used to transfer data between computer system 300 and residential gateway 106.
  • computer program product may refer, in part, to removable storage unit 316, removable storage unit 318, a hard disk installed in hard disk drive 310, or a carrier wave carrying software over communication path 322 (wireless link or cable) to communication interface 320.
  • a computer useable medium can include magnetic media, optical media, or other recordable media, or media that transmits a carrier wave or other signal.
  • Computer programs are stored in main memory 306 and/or secondary memory 308, and are executed by the processor 302. Computer programs can also be received via communications interface 320.
  • user interface 110 comprises a computer program executed by processor 302 of computer system 300.
  • the computer system 300 may comprise a personal computer operating under the Microsoft WINDOWS operating system. However, this example is not limiting. As will be appreciated by persons skilled in the relevant art(s) from the teachings provided herein, a wide variety of other computer systems 300, and CPE devices 108a-108n, may be utilized to practice the present invention.
  • a system in accordance with the present invention comprises an intuitive and user-friendly user interface 110 that permits an end user to control, mix and/or monitor one or more data streams distributed by residential gateway 106 over CPE interfaces 202a-202n.
  • User interface 110 preferably comprises a menu-driven graphical user interface (GUI) that is easily accessed and controlled by an end user.
  • GUI menu-driven graphical user interface
  • user interface 110 comprises part of a CPE device attached to residential gateway 106.
  • user interface 110 may comprise a Web interface that is resident on a computer or Internet-capable television that is communicatively coupled to residential gateway 106.
  • user interface 110 may comprise a proprietary software application implemented and accessed on a CPE device such as a personal computer, television, telephone, or other CPE device.
  • User interface 110 may also be implemented as a stand-alone device with a dedicated communication link to residential gateway 106, rather than as part of a CPE device
  • user interface 110 may comprise a craft interface that is communicatively coupled to residential gateway 106 via a serial port or other dedicated interface.
  • Table 1 illustrates several example user interface commands.
  • Each of the commands enable a user to monitor and/or control, in real-time, various data streams present on one or more of the CPE interfaces of residential gateway 106. These commands are selected for execution by an end user through interaction with user interface 110. Once selected, the commands are transmitted from user interface 110 to residential gateway 106, where they are received and processed by gateway monitoring and control software 212, which is stored in memory 210 and executed by processor 208. In response to receiving each command, gateway monitoring and control software 212 causes residential gateway 106 to perform the corresponding function described in Table 1.
  • the example commands listed in Table 1 are provided by way of example only and are not intended to limit the present invention.
  • MONITOR receive copy of data stream being provided to selected CPE interface(s) of residential gateway CHANNEL ON/OFF turn on or off data stream being provided to selected CPE interface(s) of residential gateway CHANGE CHANNEL change data stream being provided to selected CPE interface(s) of residential gateway from a first data stream to a second data stream RECORD record data stream being provided to selected CPE interface(s) of residential gateway FILTER provide data stream to selected CPE interface(s) of residential gateway only when filter parameters are met
  • user interface 110 provides a "monitor" command, which permits an end user to selectively receive a copy of a data stream being provided to one or more of CPE interfaces 202a-202n of residential gateway 106, a "channel on/off” command that permits an end user to selectively turn on or off the provision of a data stream to one or more of CPE interfaces 202a-202n of residential gateway 106, a "change channel” command that permits an end user to selectively change the data stream being provided to one or more of CPE interfaces 202a-202n of residential gateway 106 from a first data stream to a second data stream, a "record” command that permits an end user to selectively record a data stream being provided to one or more of CPE interfaces 202a-202n to a memory device (for example, a hard disk drive) that may be coupled to residential gateway 106, and a "filter” command that permits an end user to selectively provide a data stream to one or more of CPE interface 202a-
  • gateway monitoring and control software examples of the use of the above-referenced user interface commands will now be provided with reference to example embodiments of FIGS. 4, 5 and 6.
  • the features of the present invention may also be implemented using hardware or a combination of software and hardware, such as the combination of gateway monitoring and control software 212 and gateway monitoring and control logic 214 described above in reference to FIG. 2B.
  • FIG. 4 depicts a high-level block diagram of a system 400 for residential gateway monitoring and control in accordance with an embodiment of the present invention.
  • System 400 includes a residential gateway 406 that is coupled to a WAN 404 via a network interface 412 and to three televisions 408a, 408b and 408c via corresponding video interfaces 410a, 410b and 410c.
  • residential gateway 406 receives a stream of data from WAN 404 and separates it into three different video channels, each of which is routed to a different one of televisions 408a, 408b, and 408c via corresponding video interfaces 410a, 410b, and 410c.
  • Video information may be received from WAN 104 as optical signals, analog signals, or digital data packets.
  • television 408a includes a user interface in accordance with the present invention (not shown in FIG. 4).
  • An end user of television 408a may, therefore, transmit user interface commands to residential gateway 406 via video interface 410a.
  • the end user of television 408a may transmit a "monitor" command to residential gateway 406 to selectively receive a copy of the video signal currently being provided to television 408b and/or television 408c.
  • Gateway monitoring and control software within residential gateway 406 will respond to the "monitor” command by causing residential gateway 406 to multiplex a copy of the video signal currently being provided to television 408b and/or television 408c with the video signal currently being provided to television 408a.
  • Television 408a may then display the additional video signal(s), for example, in one or more "picture-in-picture" windows 410 generated by a picture-in-picture generator within television 408a for monitoring by the end user.
  • Such an application may be useful for parents seeking to perform real-time monitoring of the type of programming being viewed by their children on a different television elsewhere in the home.
  • the end user of television 408a may transmit a "channel off" command to residential gateway 406 to selectively turn off the video signal being provided to television 410b and/or television 410c.
  • Gateway monitoring and control software within residential gateway 406 will respond to the "channel off' command by causing residential gateway 406 to cease providing the video signal currently being provided to television 408b and/or television 408c as selected by the end user. This may be desirable, for example, where a parent has determined that video content being viewed by their children on a different television elsewhere in the home is not suitable.
  • the end user of television 408a may transmit a "change channel" command to residential gateway 406 to selectively change the video signal currently being provided to any of televisions 408a, 408b and/or 408c to a video signal being provided to a different television.
  • the end user may transmit a "change channel” command to change the video signal being provided to television 408b to that being provided to television 408c.
  • gateway monitoring and control software within residential gateway 406 will cause residential gateway 406 to cease providing the video signal currently being provided to television 408b and, instead, provide a copy of the video signal currently being provided to television 408c to television 408b.
  • residential gateway 406 is coupled to a memory device such as a hard disk drive (not shown in FIG. 4)
  • the end user may transmit a "record" command to residential gateway 406 to selectively record the video signal being provided to any of the televisions 408a, 408b or 408c.
  • gateway monitoring and control software within residential gateway 406 will cause residential gateway 406 to record a copy of the video signal being provided to television 408a, 408b or 408c, as selected by the end user, to the memory device.
  • FIG. 5 depicts a high-level block diagram of a system 500 for residential gateway monitoring and control in accordance with an alternate embodiment of the present invention.
  • System 500 includes a residential gateway 506 that is coupled to a WAN 504 via a network interface 512 and to three CPE devices 508a, 508b and 508c via corresponding CPE interfaces 510a, 510b and 510c.
  • CPE devices 508b and 508c comprise telephones that support either VOIP or POTS telephony, while CPE device 508a may comprise any type of CPE device including but not limited to a computer, television, set-top box, or a telephone similar to telephones 508b and 508c.
  • residential gateway 5 06 maintains a first voice channel for carrying analog or digital voice information to and from telephone 508b via voice interface 510b and a second voice channel for carrying analog or digital voice information to and from telephone 508c via voice interface 510c.
  • Voice information received from each telephone by residential gateway 506 is optionally reformatted, then multiplexed with other data intended for WAN 504 and transmitted out of residential gateway 506 via network interface 512.
  • Voice data received from WAN 504 by residential gateway 506 is separated, or demultiplexed, into the first and second voice channels, optionally reformatted, and then routed to the two telephones 508b or 508c as appropriate.
  • CPE device 508a includes a user interface 516 in accordance with the present invention.
  • An end user of CPE device 508a may, therefore, transmit user interface commands to residential gateway 506 via CPE interface 510a.
  • the end user of CPE device 508a may transmit a "filter" command to residential gateway 506 to selectively permit voice information to be exchanged between residential gateway 506 and telephones 508b and/or 508c only when certain filter parameters are met.
  • the filter parameters may comprise a "call list" of telephone numbers that telephone 508b and/or telephone 508c are permitted to send and/or receive calls from.
  • gateway monitoring and control software within residential gateway 506 will cause residential gateway 506 to maintain a voice channel to telephone 508b and/or telephone 508c only if the channel is carrying voice information associated with a call to or from a telephone number on the "call list.”
  • the end user of CPE device 508a may transmit a "change channel” command to residential gateway 506 to selectively change the voice channel currently being provided to telephones 508b and/or 508c.
  • the end user may transmit a "change channel” command to change the voice channel currently being provided to telephone 508b to that currently being provided to telephone 508c and to change the voice channel currently being provided to telephone 508c to that currently being provided to telephone 508b.
  • gateway monitoring and control software within residential gateway 506 will cause residential gateway 506 to switch the voice channels currently being provided to telephones 508b and 508c. In this way, the present invention provides an end user with telephone switching capability.
  • residential gateway 506 is coupled to a memory device such as a hard disk drive (not shown in FIG. 5)
  • the end user may transmit a "record" command to residential gateway 506 to selectively record the voice information that is sent to or received from any of the telephones 508b or 508c.
  • gateway monitoring and control software within residential gateway 506 will cause residential gateway 506 to selectively record a copy of the voice information being exchanged with telephone 508b or 508c as selected by the end user.
  • FIG. 6 depicts a high-level block diagram of a system 600 for residential gateway monitoring and control in accordance with a further embodiment of the present invention.
  • System 600 includes a residential gateway 606 that is coupled to a WAN 604 via a network interface 612 and to three CPE devices 608a, 608b and 608c via corresponding CPE interfaces 610a, 610b and 610c.
  • CPE device 608a represents a computer system that is adapted to receive computer data from residential gateway 606
  • CPE device 608b represents a television that is adapted to receive video signals from residential gateway 606
  • CPE device 608c represents a telephone (VOIP or POTS) that is adapted to receive analog or digital voice information from residential gateway 606.
  • VOIP or POTS telephone
  • residential gateway 606 exchanges computer data with computer 608a via a computer interface 61 0a, distributes video signals received from WAN 604 to television 608b via a video interface 610b, and exchanges voice information with telephone 608c via a telephony interface 610c.
  • computer 608a includes a user interface in accordance with the present invention.
  • An end user of computer 608a may, therefore, transmit user interface commands to residential gateway 606 via computer interface 610a.
  • the end user of computer 608a may transmit a "monitor" command to residential gateway 606 to selectively receive a copy of the video signal currently being provided to television 608b or a copy of the voice information currently being exchanged between telephone 610c and residential gateway 606.
  • the gateway monitoring and control software within residential gateway 606 will respond to the "monitor" command by first causing a copy of the requested data to be converted into a format appropriate for transmission across data interface 610a before providing it to computer 608a.
  • the necessary techniques for performing such conversions are well known to persons skilled in the relevant art(s).
  • the end user of television 608b may transmit a "monitor" command to residential gateway 606 to selectively receive a copy of the computer data currently being exchanged between computer 608a and residential gateway 606 or the voice information currently being exchanged between telephone 610c and residential gateway 606.
  • the gateway monitoring and control software within residential gateway 606 will respond to the "monitor" command by first causing a copy of the requested data to be converted into a format appropriate for transmission across data interface 61 0b before providing it to television 608b.
  • the necessary techniques for performing such conversions are well knwon to persons skilled in the relevant art(s).
  • FIG. 7 depicts a flowchart 700 of a method for residential gateway monitoring and control in accordance with the present invention.
  • the invention is not limited to the description provided by the flowchart 700. Rather, it will be apparent to persons skilled in the relevant art(s) from the teachings provided herein that other functional flows are within the scope and spirit of the present invention.
  • flowchart 700 will be described with continued reference to the example residential gateway 106 of FIG. 2A.
  • the invention is not limited to that embodiment.
  • gateway monitoring and control software 212 the features of the present invention may also be implemented in hardware or a combination of software and hardware, such as the combination of gateway monitoring and control software 212 and gateway monitoring and control logic 214 described above in reference to FIG. 2B.
  • the method of flowchart 700 begins at step 702, during which residential gateway 106 performs routing of data streams from WAN 104 to various CPE interfaces 202a-202n, and all necessary data conversions, in accordance with a default configuration.
  • This default configuration may represent a mapping of data streams to CPE interfaces that is configured automatically during initialization of residential gateway 106, or may simply represent the most current mapping of data streams to CPE interfaces as configured by the end user via user interface 110.
  • gateway monitoring and control software 212 within network gateway 106 determines if a "monitor" command has been received from user interface 110. As shown at step 706, if a "monitor" command has been received, gateway monitoring and control software 212 determines if a CPE interface selected for monitoring by the "monitor” command transfers data in a format that is appropriate for receipt by the monitoring device. If so, gateway monitoring and control software 212 causes residential gateway 106 to provide a copy of the data on the selected CPE interface to the monitoring device, as shown at step 710.
  • gateway monitoring and control software 212 causes residential gateway 106 to convert a copy of the data on the selected CPE interface to a format that is appropriate for receipt by the monitoring device, as shown at step 708, before providing a copy of the data to the monitoring device at step 710.
  • the copy of the data from the selected CPE interface is multiplexed with the data stream currently being provided to the monitoring device for receipt by the monitoring device. Control then returns to step 702.
  • gateway monitoring and control software 212 determines that a "monitor" command has not been received from user interface 110, control passes to step 712.
  • gateway monitoring and control software 712 determines if a "channel on/off' command has been received from user interface 110. As shown at step 714, if a "channel on/off" command has been received, gateway monitoring and control software 212 turns on or off the flow of data to a CPE interface selected by the "channel on/off" command, as indicated by the command. Control then returns to step 702.
  • gateway monitoring and control software 212 determines that a "channel on/off' command has not been received from user interface 110.
  • control passes to step 716.
  • gateway monitoring and control software 716 determines if a "change channel” command has been received from user interface 110. As shown at step 718, if a "change channel” command has been received, gateway monitoring and control software 212 changes the data stream being provided to the CPE interface selected by the "change channel” command from a first data stream to a second data stream as indicated by the command. Control then returns to step 702.
  • gateway monitoring and control software 212 determines if a "channel on/off" command has not been received from user interface 110.
  • control passes to step 720.
  • gateway monitoring and control software 212 determines if a "record" command has been received from user interface 110. As shown at step 722, if a "record" command has been received, gateway monitoring and control software 212 records a copy of the data on a CPE interface selected by the "record" command to a memory device, such as a hard disk drive, coupled to residential gateway 106. Control then returns to step 702.
  • gateway monitoring and control software 212 determines if a "record" command has not been received from user interface 110.
  • gateway monitoring and control software 212 determines if a "filter” command has been received from user interface 110.
  • residential gateway monitoring and control software 212 stores corresponding filter parameters as selected by the end user via user interface 110.
  • residential gateway monitoring and control software 212 then monitors the data on the CPE interface selected by the "filter” command.
  • gateway monitoring and control software 212 determines that a "filter" command has not been received from user interface 110, then control passes back to step 702.

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  • Engineering & Computer Science (AREA)
  • Computer Networks & Wireless Communication (AREA)
  • Signal Processing (AREA)
  • Multimedia (AREA)
  • Business, Economics & Management (AREA)
  • General Business, Economics & Management (AREA)
  • Data Exchanges In Wide-Area Networks (AREA)
EP20030025693 2002-11-07 2003-11-07 Système, procédé et produit logiciel pour contrôler et observer une passerelle résidentielle Withdrawn EP1434405A3 (fr)

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US9019972B2 (en) 2015-04-28
US20090059939A1 (en) 2009-03-05
EP1434405A3 (fr) 2011-06-22
US7460546B2 (en) 2008-12-02
US8300648B2 (en) 2012-10-30
US20130010792A1 (en) 2013-01-10
US20040090971A1 (en) 2004-05-13

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